<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
	h1{
		font-size:100px;
		color:red;
	}
	h2{
	color:green;
	}
</style>
</head>
<body>
	<h1>标题一</h1>
	<h2>标题二</h2>
	<h3>标题三</h3>
	<h4>标题四</h4>
	<p>
		<textarea rows="5" cols="10"></textarea>
		<input type="submit"/>
		<a href="#">首页</a>
	</p>
</body>
</html>